c16bf7029bf273b2f743a3968ce60af3fea25b7cdc906d2d79e8b7f151a8dd67

Analysis

max time kernel
149s
max time network
95s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
01/07/2026, 12:55

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General

Target
Coolorus v2.7.1/Coolorus/assets/checkmark.svg
Size 802B
Sample260701-p54vpsex2m
SHA256 c16bf7029bf273b2f743a3968ce60af3fea25b7cdc906d2d79e8b7f151a8dd67
MD5 f3a29d5ee6e6fcb416a8fe0b31e892a6
SHA1 794b88ac1c891a27c3ef5ff0807687dad3717225
SHA512 2a4a646af16a004f25aa4c3f376ec4b4409633de6cc8de209438a5d9948bda080a96d6d5f1a31dff59f7a7c1655e1b925693a4b08d638cc5e701bbdd580fd95d
TLSH
T17A01895AC394CD29402547F8DBB542C3243341F1C6964B4DD7426626EC724BBA729798
MD5 SHA1 SHA512 TLSH

Score

3^/10

adware discovery spyware

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 8012941f5909dd01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "489072473"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000024cface3b73dc9488f4c31df0049086f00000000020000000000106600000001000020000000def27fd39d6c256d3a66a26e7dc3b3b25893d88516d6a5a8ef6efc73e59a31b5000000000e8000000002000020000000e35eb68d696181e47a4ed1896cfdf07cbc15c26387082ccb4b32e36b25a6add7200000009b3b247a9effe66edbea9e30cff43b67875225a772bdafbf6c15e810b678881b4000000026f3ba7333f1f697f095e477d534cfd42319ed2a6221fa71025db5e8e4f6971ecafc14226444d6b8d1729253b3bc0bb9b0d05ef8c3bbdfb1020adb411b7a8e7f	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 8083961f5909dd01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4A0B7766-754C-11F1-99FF-4A35A7B9770E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000024cface3b73dc9488f4c31df0049086f000000000200000000001066000000010000200000007ae1d54c85280a9e7713ae931b9d6a39b124f7a47cd0da786ea83ce940272574000000000e8000000002000020000000c7ccd23ce924e41031d47be1630af37b138131eb4713b9947e135e0842f4b35c20000000f1636aaa936b600c2f6d29ee8bfd121b73847f454ff82e2ac8ca4fe9b1936c3b400000006b77fa0bd4b3f151f53d66885bf9dcaa777626cf116b5fc62622d534bc8cec1571aec8d141664b43ff2d6cbdf640bd61c56b7a115bb01e561de25e338abb60bc	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1360	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1360	iexplore.exe
1360	iexplore.exe
4284	IEXPLORE.EXE
4284	IEXPLORE.EXE
4284	IEXPLORE.EXE
4284	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 4284	1360	iexplore.exe	83

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Local\Temp\Coolorus v2.7.1\Coolorus\assets\checkmark.svg"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1360 CREDAT:17410 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4284

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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